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Finding the Fourth Proportional to 22,130.10, 33,201.29 and 9,651.21

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Solution

The fourth proportional to 22,130.10, 33,201.29 and 9,651.21 is: 14,479.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,130.10 : 33,201.29 = 9,651.21 : x
  2. Step 2: Convert to fraction form
    22,130.10/33,201.29 = 9,651.21/x
  3. Step 3: Cross multiply
    22,130.10x = 33,201.29 × 9,651.21
  4. Step 4: Simplify right side
    22,130.10x = 320,432,573.80
  5. Step 5: Solve for x
    x = 320,432,573.80/22,130.10
  6. Step 6: Final answer
    x = 14,479.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.